simple shell script to find the min-average ping rtt time from multiple ips

gistfile1.sh

#!/bin/bash
# file: ping-shortest
# created by make-template :)
# vivi@2014-06-29_18:16:12

ipfile=ips.txt
tmp=ping-ip-tmp.txt
while read IP; do
	average=`ping -nq -w 1 -i 0.2 -c 3 $IP | grep rtt | cut -d '/' -f 5`
	if [ "X$average" == "X" ]; then
		continue
	fi
	echo $average $IP
done < $ipfile

ping-shortest | sort -n